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Dissertation/Thesis Abstract

Ecological dynamics of livebottom ledges and artificial reefs on the inner central West Florida Shelf
by Dupont, Jennifer Maria, Ph.D., University of South Florida, 2009, 178; 3394145
Abstract (Summary)

The West Florida Shelf (WFS) is one of the largest and most diversely-used continental shelf/slope systems in the world. The presence of paleoshorelines and scarped hardbottom outcrops (up to 4 m in relief) along the inner shelf (10-30 m depth) provide important habitat for a variety of infaunal, epifaunal, and fish assemblages that contribute to the productivity of the region. This dissertation will present a comprehensive overview of the geological, physical, and chemical settings of the inner West Florida Shelf, with particular focus on biological and ecological community dynamics of epibenthic macroinvertebrates, algae, and fish assemblages. Baseline and comparative data sets are presented in the form of historic and modern species lists, with focus on seasonal and intra-annual variations. Quantitative effects of disturbances (e.g., hurricanes, thermal stresses, and red tides) and subsequent recovery rates are discussed as they periodically perturb inner-shelf systems and can have significant effects on community structure. Benefits of and recommendations for using artificial reefs as restoration tools along the inner shelf, as mitigation for future disturbances, are presented.

Indexing (document details)
Advisor: Muller, Pamela Hallock
School: University of South Florida
School Location: United States -- Florida
Source: DAI-B 71/02, Dissertation Abstracts International
Subjects: Ecology, Biological oceanography
Keywords: Algal blooms, Artificial reefs, Florida Shelf, Gulf of Mexico, Livebottom ledges, Red tides
Publication Number: 3394145
ISBN: 978-1-109-62132-7
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